Compare 81/27 and 20/9
1st number: 3 0/27, 2nd number: 2 2/9
81/27 is greater than 20/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 9 is 27
Next, find the equivalent fraction of both fractional numbers with denominator 27 - For the 1st fraction, since 27 × 1 = 27,
81/27 = 81 × 1/27 × 1 = 81/27 - Likewise, for the 2nd fraction, since 9 × 3 = 27,
20/9 = 20 × 3/9 × 3 = 60/27 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 81/27 > 60/27 or 81/27 > 20/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/27 and 40/9 81/54 and 20/9 81/27 and 20/18 81/27 and 60/9 81/27 and 20/27 81/27 and 20/45 81/27 and 20/63